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Hybrids of gold nanoparticles and oligo(p-phenyleneethynylene)s end-functionalized with alkynylruthenium groups: Outstanding two-photon absorption in the second biological window

dc.contributor.authorQuintana, Cristóbal
dc.contributor.authorMorshedi, Mahbod
dc.contributor.authorDu, Jun
dc.contributor.authorMorrall, Joseph P. L.
dc.contributor.authorZaręba, Jan K.
dc.contributor.authorSamoc, Marek
dc.contributor.authorCifuentes, Marie P.
dc.contributor.authorHumphrey, Mark
dc.date.accessioned2021-11-08T04:05:56Z
dc.date.available2021-11-08T04:05:56Z
dc.date.issued2020-07-16
dc.description.abstractOligo(p-phenyleneethynylene)s (OPEs) end-capped with (alkynyl)bis(diphosphine)ruthenium and thiol/thiolate groups stabilize ca. 2 nm diameter gold nanoparticles (AuNPs). The morphology, elemental composition and stability of the resultant organometallic OPE/AuNP hybrid materials have been defined using a combination of molecular- and nano-material chacterization techniques. The hybrids display long-term stability in solution (more than a month), good solubility in organic solvents, reversible ruthenium-centered oxidation, and transparency beyond 800 nm, and possess very strong nonlinear absorption activity at the first biological window, and unprecedented two-photon absorption activity in the second biological window (σ2 up to 38,000 GM at 1,050 nm).en_AU
dc.description.sponsorshipWe thank the Australian Research Council (DP170100411: M. G. H. and M. S.) and the National Science Centre (NCN) Poland (UMO-2016/22/M/ST4/00275: J. K. Z. and M. S.) for support of this work. C. Q. thanks Becas Chile (Agencia Nacional de Investigación y Desarrollo) for financial support in the form of a PhD scholarship (2015-72160061), J. P. L. M. thanks the Australian Government for an Australian Postgraduate Award, J. D. thanks the China Scholarship Council and the Australian National University for a CSC-ANU scholarship, and J. K. Z. thanks the Foundation for Polish Science (FNP) for support. The authors acknowledge the facilities, and the scientific and technical assistance, of the Australian Microscopy & Microanalysis Research Facility and the Centre of Advanced Microscopy at the Australian National University.en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn1998-0124en_AU
dc.identifier.urihttp://hdl.handle.net/1885/251643
dc.language.isoen_AUen_AU
dc.provenancehttps://v2.sherpa.ac.uk/id/publication/16476..."The Accepted Version can be archived in a Non-Commercial Institutional Repository. 12 months embargo" from SHERPA/RoMEO site (as at 8/11/2021).en_AU
dc.publisherSpringer Verlagen_AU
dc.relationhttp://purl.org/au-research/grants/arc/DP170100411en_AU
dc.rights© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020en_AU
dc.sourceNano Researchen_AU
dc.subjectgold nanoparticlesen_AU
dc.subjectinorganic materialsen_AU
dc.subjectmetal alkynyl complexesen_AU
dc.subjectnonlinear opticsen_AU
dc.subjectorganometallicsen_AU
dc.titleHybrids of gold nanoparticles and oligo(p-phenyleneethynylene)s end-functionalized with alkynylruthenium groups: Outstanding two-photon absorption in the second biological windowen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue10en_AU
local.bibliographicCitation.lastpage2762en_AU
local.bibliographicCitation.startpage2755en_AU
local.contributor.affiliationMorshedi, M., Research School of Chemistry, The Australian National Universityen_AU
local.contributor.affiliationJun, Du, Research School of Chemistry, The Australian National Universityen_AU
local.contributor.affiliationHumphrey, M.Research School of Chemistry, The Australian National Universityen_AU
local.contributor.authoruidu9400918en_AU
local.identifier.ariespublicationa383154xPUB15295
local.identifier.citationvolume13en_AU
local.identifier.doi10.1007/s12274-020-2924-4en_AU
local.publisher.urlhttps://link.springer.com/en_AU
local.type.statusAccepted Versionen_AU

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